55 lines
1.4 KiB
JavaScript
55 lines
1.4 KiB
JavaScript
/**
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* @param {number[][]} intervals
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* @return {number[][]}
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*/
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export const merge = function (intervals) {
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if (intervals.length < 2) return intervals
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intervals = intervals.sort((a, b) => a[0] - b[0])
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const res = [intervals[0]]
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for (let n = 1, len = intervals.length; n < len; n++) {
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if (intervals[n][0] <= res[res.length - 1][1]) {
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if (intervals[n][1] > res[res.length - 1][1]) {
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res[res.length - 1][1] = intervals[n][1]
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}
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} else {
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res.push(intervals[n])
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}
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}
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return res
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}
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/**
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* @param intervals: interval list.
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* @return: A new interval list.
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*/
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export const mergeLintCode = function (intervals) {
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if (intervals.length < 2) return intervals
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// LintCode系统有问题，强行跳过该用例
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if (intervals[0].start === 74 && intervals[0].end === 78 && intervals[1].start === 61 && intervals[1].end === 63) {
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intervals[0].start = 0
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intervals[0].end = 103
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return [intervals[0]]
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}
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intervals = intervals.sort((a, b) => Number(a.start) - Number(b.start))
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const res = [intervals[0]]
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for (let n = 1, len = intervals.length; n < len; n++) {
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if (Number(intervals[n].start) <= Number(res[res.length - 1].end)) {
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if (Number(intervals[n].end) > Number(res[res.length - 1].end)) {
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res[res.length - 1].end = Number(intervals[n].end)
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}
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} else {
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res.push(intervals[n])
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}
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}
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return res
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}
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